1. Announcement:
05-10-2017
Views:
1,863
Page 11 of 91 First 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 61 ... Last
Threads 601 to 660 of 5450

# Forum: Probability

Probability course and homework discussion. Probability distributions. Probability theory, stochastic processes

1. ### Sticky: We only provide homework help to those who show effort

Welcome to Talk Stats Forum. In order to keep homework help effective and efficient, we request all members to abide by these guidelines: 1)...

• Replies: 0
• Views: 30,262
09-30-2005, 09:44 AM
1. ### Bayes Rule Problem

Ok, I'm trying to learn Baye's Rule, but I'm very new to it. I understand the rule to say P(A given B) = P(B given A) x P(A) / Assuming that...

• Replies: 1
• Views: 2,718
09-04-2007, 09:33 AM
2. ### Question from a novice

I have not studied statistics in college, but I have a question that is probably a simple one. I have had this discussion with my friends, but we...

• Replies: 1
• Views: 2,366
09-06-2007, 09:31 AM
3. ### Probability

Of 1037 ppl who came to the blood bank, 330 ppl had high blood pressure. Estimate the probability that the next person who comes into the blood bank...

• Replies: 2
• Views: 2,407
09-06-2007, 10:34 AM
4. ### circuit failure

A message is transmitted using a binary code of 0's and 1's. Each transmitted bit (0 or 1) must pass through three relays before reaching a receiver....

• Replies: 1
• Views: 4,448
09-11-2007, 12:17 AM
5. ### keno problem

In a keno game 20 numbers are picked.We write those numbers down.What is the probability of those original 20 numbers that we wrote down coming up...

• Replies: 1
• Views: 2,952
09-11-2007, 11:59 AM
6. ### Requested Probability-Help

P(Z>-2.576) is it .5000 + .4951 =.9951

• Replies: 1
• Views: 2,959
09-11-2007, 04:02 PM
7. ### Conditional Probability [HELP]

I = innocent, G= guilty P(I) = 1, P(G) = 0 Conditional Probability Test Results: P(+ | I ) =0, P(+ | G ) = 1 Find P(G | +) in other words...

• Replies: 5
• Views: 2,536
09-11-2007, 06:02 PM
8. ### Variance of stochstic variables

Hi, I have a problem and I cannot find the answer in any textbook or on the internet. The problem is the following. I have two variables, (X &...

• Replies: 2
• Views: 2,407
09-12-2007, 03:30 AM
9. ### i need help!

this is my first year taking a stats class and i dont understand this question if someone could explain how to do it to me that would be greatly...

• Replies: 1
• Views: 2,382
09-13-2007, 01:48 AM
10. ### How did I get this answer?

What is the probability of getting 10 heads in 20 flips of a fair coin? n = 20 x = 10 p = 0.5 I plug in the numbers into my ti-84 and get...

• Replies: 1
• Views: 3,616
09-13-2007, 02:49 PM
11. ### Conjunction of n hypothesis

Ciao all, :wave: I have a conjunction of n non-independant hypothesis: h1 and h2 and .... and hn. I want to calculate the probability of...

• Replies: 4
• Views: 3,553
09-16-2007, 09:38 AM
12. ### Probability - Im new at this

Here is the question: The probability that petrol pump equipment at the service station becomes damaged by fuel contamination and requires the...

• Replies: 0
• Views: 2,335
09-16-2007, 02:31 PM
13. ### Probability question

Hello, The last time I saw a Statistics class was about 30 year go so forgive me for submitting such an elementary question. DATA: ROW A: 0...

• Replies: 0
• Views: 1,992
09-17-2007, 11:16 AM

I posted the entire question earlier in the thread and I would greatly appreciate it if someone would help me and show me how to do the problem step...

• Replies: 0
• Views: 1,797
09-17-2007, 11:38 PM
15. ### Central Limit Theorem

It has been determined that the average cost to develop a 30 second commericial is 20,000 with a standard deviation of 3000 What is the...

• Replies: 0
• Views: 2,627
09-18-2007, 07:20 AM
16. ### Poisson Help

I am having difficulty figuring out these two problems. Please Help!!! 1.) If 3% of the electric bulbs are defective, find the probability that...

• Replies: 0
• Views: 2,573
09-18-2007, 10:06 PM

I have been working on this for 2 weeks and I really need help guys! I see everyone has read my stuff but nobody has posted anything. I have used the...

• Replies: 0
• Views: 2,599
09-19-2007, 04:41 PM
18. ### determine underlying distribution

Dear all, I am working on this problem and i want to determine what is the underlying distribution in this experiment. I would appreciate if you...

• Replies: 0
• Views: 2,597
09-19-2007, 10:09 PM
19. ### Probability Help!!! AGAIN

mean is 4300 standard deviation is 750 compute the probability that more than 5000 acres will be burned P(x > 5000) 5000-4300/750 ...

• Replies: 3
• Views: 4,238
09-21-2007, 07:16 AM
20. ### Probability Two teams are playing a best of three series for the championship

Probability Two teams are playing a best of three series for the championship Two teams are playing a best of three series for the championship....

• Replies: 1
• Views: 2,712
09-21-2007, 07:39 AM
21. ### Probablity of the ceiling falling?

My friend asked me a question. "What is the probability of this ceiling falling?" I was puzzled. Then he replied that the probability is 1/2. Here is...

• Replies: 9
• Views: 4,099
09-22-2007, 08:56 AM
22. ### Help: strongly stationary process

Let Z_t, t = ..., -2, -1, 0, 1, 2, ..., be a strictly stationary white noise process and let a, b, c be constants. Which of the following processes...

• Replies: 0
• Views: 3,784
09-22-2007, 09:50 PM
23. ### I have no idea.

http://img.photobucket.com/albums/v646/supa69/tablegraph.jpg is a frequency distribution + histogram of reaction times. The Mean of this...

• Replies: 1
• Views: 2,517
09-25-2007, 10:24 PM
24. ### Convergence in probability

Hi, Can you please help me with the following question? Any hints, ideas would be much appreciated. Suppose that the sequence Xn converges to...

• Replies: 4
• Views: 4,932
09-26-2007, 09:29 AM
25. ### Good Probability Brainteaser Website?

Hi, I'm pretty weak when it comes to probability brainteasers. Does anyone know some websites that have good brainteasers for me to practice on?...

• Replies: 0
• Views: 2,530
09-26-2007, 12:42 PM
26. ### expected value

i'm stuck on a question i'm asked to show that if X is nonnegative integer valued R.V., then E = (sum from n=1 to infinity of P(X>=n) = (sum...

• Replies: 0
• Views: 3,407
09-27-2007, 01:42 AM
27. ### other expected value question

I'm stumped on this question and i have an exam in a few days. any help would be appreciated A quality control plan for an assembly line involves...

• Replies: 0
• Views: 3,407
09-27-2007, 08:19 AM
28. ### Committee

5 member group A-E What is the Probability of drawing 3 slips from a hat randomly , the committee contains A but not B ? to make up a 3 person...

• Replies: 1
• Views: 2,240
09-27-2007, 03:37 PM
29. ### Probability Help

• Replies: 0
• Views: 1,783
10-02-2007, 08:47 PM
30. ### Help me please (homework)

-Suppose a measurement of A has been made over a large population -5% of those population are positive for A -if A is measured on the same subject...

• Replies: 1
• Views: 2,437
10-03-2007, 05:23 AM
31. ### probability tree

Suppose 1 in 25 adults is afflicted with a disease for which a new diagnostic test has been developed. Given that an individual actually has the...

• Replies: 0
• Views: 4,477
10-05-2007, 05:51 PM
32. ### Probability question

Hi, I am having a real hard time answering this question and I was wondering if someone can give me some pointers and how to solve this problem: ...

• Replies: 3
• Views: 3,601
10-06-2007, 12:27 AM
33. ### probability of liscense plate

What is the probability of getting a license plate that has a repeated letter or digit if you live in a state where the scheme is three letters...

• Replies: 1
• Views: 13,012
10-06-2007, 08:21 AM
34. ### Average Profit

Hello, This question has been really confusing me and I was wondering if someone can help me out. The question is as follows: A large...

• Replies: 1
• Views: 3,514
10-06-2007, 06:11 PM
35. ### Probability of Winning

Hi, I'm trying to determine the probability of winning an event based on historical data, but I lack the sample size necessary for some...

• Replies: 1
• Views: 2,061
10-06-2007, 09:29 PM
36. ### Statistics Problem (random variables)

Here are some problems for you statistics masters http://www.utd.edu/~ammann/stat3360/node22.html let me know what you guys think...i went...

• Replies: 0
• Views: 2,776
10-06-2007, 11:24 PM
37. ### probability of sexing human remains - any help?

Hello everyone. I used to be about average with statistics a long time ago, but have come crashing down with lack of use for many years. I hope...

• Replies: 0
• Views: 2,396
10-07-2007, 12:29 PM
38. ### Help understanding Expectation of a sum

Hi, I would like some help with understanding the properties of the expectation operator and the summation large sigma. Denote S as the large...

• Replies: 2
• Views: 5,333
10-08-2007, 06:07 AM
39. ### Probability

Hi, I feel that the answer is obvious but for some reason I feel like there is a trick in this question and I was just wondering if someone can help...

• Replies: 1
• Views: 2,452
10-09-2007, 04:22 PM
40. ### probability. multiple choice, and rewriting tests

for some reason i am drawing a blank on how to start these q's. i have looked through the book and there is no examples like these q's, stupid txt,...

• Replies: 0
• Views: 3,582
10-11-2007, 03:18 AM
41. ### Joint Prob Density Question

I am working on a joint prob. density problem and thought that maybe someone may be able to point me in the correct direction. There is a bag of...

• Replies: 2
• Views: 3,002
10-14-2007, 12:19 PM
42. ### Dice Probability (Yahtzee Related)

hi, I am currently doing my Computer Science Dissertation and it it to create a program that can play Yahtzee. My planning involves lots of...

• Replies: 1
• Views: 9,071
10-16-2007, 02:28 PM
43. ### probability for an event to happen

hi, i have an event which occurs every 60 secs what's the probability of this to occur 15 secs after the beginning of a trial. what will be the...

• Replies: 0
• Views: 2,637
10-16-2007, 08:06 PM
44. ### Urgently Need Help

Hi, l'm stuck on these problems..need help. 1) Suppose yu have conversations with yo friend on 100 diff topics. On any given topic there's a...

• Replies: 2
• Views: 2,506
10-17-2007, 11:23 AM
45. ### Probability P(A|B)

Ralph and Melissa watch lots of videos. But they have noticed that they don't agree very often. In fact, Ralph only likes about 10% of the movies...

• Replies: 0
• Views: 2,010
10-18-2007, 09:09 PM
46. ### Probabilities. Is this correct?

In a study of fingerprints, an important quantitative characteristic is the total ridge count for the 10 fingers of the individual. Suppose that...

• Replies: 0
• Views: 4,723
10-19-2007, 07:07 AM
47. ### Generating function

Hi, I'm stuck on this problem. If anyone could help, it would be really appreciated! Find the generating function for the negative binomial...

• Replies: 0
• Views: 2,455
10-19-2007, 08:21 PM
48. ### Quantum Methods - Probability

Hey yall, I'm taking a Quantum Methods class (Business Statistics) for my degree. Although I have taken Stats before, it was a year ago and I'm...

• Replies: 1
• Views: 2,524
10-20-2007, 02:14 AM
49. ### Normal Distribution Question

Hi, Can someone please help? Product A has mean of 2980 and std dev of 500. Product B has mean of 3000 and std dev of 800. Both are normally...

• Replies: 0
• Views: 2,600
10-20-2007, 06:17 PM
50. ### 12-sided dice probability

How would you give a sample space of rolling a pair of 12-sided dice?

• Replies: 2
• Views: 9,184
10-20-2007, 06:53 PM
51. ### interpretation of conditional probability

Hi everyone, Please I have this question and was asks to find the solution, please can someone tell me if I am right with the statistical...

• Replies: 1
• Views: 2,314
10-20-2007, 10:49 PM
52. ### A simple Probability question....

MALE FEMALE Thrombosis 10 14 Appendix 15 10 Blood-Pressure 25 18 TOTAL 50 42

• Replies: 1
• Views: 2,220
10-21-2007, 09:35 AM
53. ### Probability of hitting a certain number

Random numbers between 5 and 18 are continually added to increase a sum, starting at zero, what is the probability that you will hit the number 72?

• Replies: 5
• Views: 2,418
10-21-2007, 09:55 PM
54. ### conditional normal distribution

Hi all First of all, I am new here but I am not new to statistics. But I need your help:cool: I do have a multivariate normal distribution:...

• Replies: 1
• Views: 3,122
10-22-2007, 08:38 AM
55. ### Probability issue

I have a question with regard to a probability issue ; Assume a game that is played on a matrix composed of 120 squares. The game is played in 3...

• Replies: 1
• Views: 2,138
10-23-2007, 05:50 PM
56. ### Expected Values and Variances!

I'm an econ grad student stuck on a homework problem - I've been working on it for a couple of days now but am getting nowhere...and it's due...

• Replies: 0
• Views: 3,299
10-23-2007, 07:43 PM
57. ### Really Easy Question

This is a basic question about probabilities, specifically what kind of test to use. I think I am close to an answer, but I am not sure. The idea...

• Replies: 0
• Views: 2,799
10-24-2007, 12:24 AM
58. ### Normal distribution investment problems

I am new to this messageboard and I really need help with these two problems. Problem #1 You make an investment. Assume that returns are...

• Replies: 1
• Views: 3,444
10-24-2007, 01:01 AM
59. ### probability and binomial random variable

A state end-of-grade exam in American History is a multiple-choice test that has 50 questions with 4 answer choices for each question. A student must...

• Replies: 0
• Views: 4,011
10-24-2007, 09:44 PM

Page 11 of 91 First 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 61 ... Last

Use this control to limit the display of threads to those newer than the specified time frame.

Allows you to choose the data by which the thread list will be sorted.

Note: when sorting by date, 'descending order' will show the newest results first.